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On 04/04/2011 11:42 AM, Jean-Yves Nief wrote: > hello Adrian, Hi! > I have done that in the past. I used xrdcp instead of scp for > performance reasons, I had to move bunch of 20 TBs from the old servers > to the new ones (done in more than a day, I had two gigabit network > interfaces on the servers), it would have been way too slow with scp. thanks for info! could you give more details? i my case (ALICE) i have to keep a certain structure of files .. did you copied to an directory out of normal structure to be served or just copied files in the same directory structure ? Thanks! Adrian > cheers, > JY > > Adrian Sevcenco wrote: >> Hi! Is there a possibility for mirroring data between data servers? >> I ask because we want to upgrade an xrootd server .. is it enough to >> scp 4TiB between servers? is it safe and consistent (from the >> redirector view)? >> >> On a side note i will take the opportunity to ask other things :) >> 1. Is there a way to benchmark the dataservers from the point of view >> of xrootd? something like running a command on redirector and >> benchmarking a given server or all? (for tuning purposes and also >> could be used for developer tests?) >> >> 2. related to 1. are any of xrootd team aware of >> http://twiki.mwt2.org/bin/view/ITB/UltraLightKernel ? are there any >> (up to date) recommendations based on this guys work? >> >> Thanks a lot! >> Adrian